Category Archives: Science

THERE’S A LOT OF SPACE DUST ON EARTH.

THERE’S A LOT OF SPACE DUST ON EARTH. The scope of the problem that Larson took on is shown by numbers. About 4000 tons of of dust land on earth each year—more than 10 tons a day. What Larsen was … Continue reading

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THE KEY TO FINDING SPACE DUST IS TO FIND OUT WHICH PARTICLES NOT TO PAY ATTENTION TO.

THE KEY TO FINDING SPACE DUST IS TO FIND OUT WHICH PARTICLES NOT TO PAY ATTENTION TO. I posted here at the beginning of this year about how a nonscientist, John Larsen, had collected about 500 micrometeorites from gutter sediment … Continue reading

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THE PROBLEM WAS THAT THE NATIONAL WEATHER SERVICE AVOIDED USING PROBABILITIES IN THEIR FORECASTS.

THE PROBLEM WAS THAT THE NATIONAL WEATHER SERVICE AVOIDED USING PROBABILITIES IN THEIR FORECASTS. Of course government agencies, including the National Weather Service, should keep the public up to date on what their models are predicting. But the cause of … Continue reading

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SHOULD THE NATIONAL WEATHER SERVICE PERSIST IN A WEATHER FORECAST THAT IT KNOWS IS WRONG?

SHOULD THE NATIONAL WEATHER SERVICE PERSIST IN A WEATHER FORECAST THAT IT KNOWS IS WRONG? The National Weather Service issued forecasts that New York City and other coastal cities would get 24 inches of snow on Tuesday March 14. On … Continue reading

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BOATY MCBOATFACE’S FIRST ANTARCTIC MISSION.

BOATY MCBOATFACE’S FIRST ANTARCTIC MISSION. Annalisa sent me this article from the Guardian by Nicola Slawson about the further career of Boaty McBoatface. Boaty McBoatface got its name as the result of a competition sponsored by the British Natural Environment … Continue reading

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THE POTATO AND THE FUTURE CONQUEST OF SPACE.

THE POTATO AND THE FUTURE CONQUEST OF SPACE. I have posted several times about the importance of the potato in world history. I quoted Professor William H. McNeill here that: “by feeding rapidly growing populations, [potatoes] permitted a handful of … Continue reading

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UPDATE ON FIRST SLEEP/SECOND SLEEP.

UPDATE ON FIRST SLEEP/SECOND SLEEP. I posted here about first sleep/second sleep in response to Annalisa’s observation that this was a hobby horse that I talked a lot more about than I posted about. My nephew Andrew has now sent … Continue reading

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“GOING FROM ZERO TO EPSILON,,,,”

“GOING FROM ZERO TO EPSILON….” For those of you who are not familiar with the notation, the Greek letter epsilon is used in math to represent an arbitrarily small number. I had a mathematician friend who used to say that: … Continue reading

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ARBITRARILY.

ARBITRARILY. Annalisa sent me this link to this comic on the SMBC site. She said she liked imagining the whole scene playing out, with possible frustrated responses to the arbitrary numbers being shouted out. I love this comic.

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THE KILLER FOG OF 1952.

THE KILLER FOG OF 1952. The London fog and smog through which Turner saw the world continued until the 1960’s. The killer fog of 1952 is described in this article by Christopher Klein on the history.com website. During the space … Continue reading

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